Task: | Decrypt |
Sender: | Pietari Kaskela |
Submission time: | 2016-09-06 18:38:27 +0300 |
Language: | C++ |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.04 s | details |
#2 | ACCEPTED | 0.05 s | details |
#3 | ACCEPTED | 0.05 s | details |
#4 | ACCEPTED | 0.06 s | details |
#5 | ACCEPTED | 0.05 s | details |
#6 | ACCEPTED | 0.05 s | details |
#7 | ACCEPTED | 0.05 s | details |
#8 | ACCEPTED | 0.05 s | details |
#9 | ACCEPTED | 0.05 s | details |
#10 | ACCEPTED | 0.05 s | details |
#11 | ACCEPTED | 0.05 s | details |
#12 | ACCEPTED | 0.05 s | details |
#13 | ACCEPTED | 0.05 s | details |
#14 | ACCEPTED | 0.06 s | details |
#15 | ACCEPTED | 0.06 s | details |
#16 | ACCEPTED | 0.05 s | details |
#17 | ACCEPTED | 0.04 s | details |
#18 | ACCEPTED | 0.05 s | details |
#19 | ACCEPTED | 0.05 s | details |
#20 | ACCEPTED | 0.05 s | details |
#21 | ACCEPTED | 0.05 s | details |
#22 | ACCEPTED | 0.05 s | details |
#23 | ACCEPTED | 0.06 s | details |
#24 | ACCEPTED | 0.06 s | details |
#25 | ACCEPTED | 0.05 s | details |
#26 | ACCEPTED | 0.05 s | details |
#27 | ACCEPTED | 0.05 s | details |
#28 | ACCEPTED | 0.05 s | details |
#29 | ACCEPTED | 0.06 s | details |
#30 | ACCEPTED | 0.05 s | details |
Code
#include <bits/stdc++.h> #define i64 long long #define u64 unsigned long long #define i32 int #define u32 unsigned int #define pii pair<int, int> #define pll pair<long long, long long> #define ld long double #define defmod 1000000007 #define mati64(a,b) vector<vector<i64>>(a, vector<i64>(b, 0)); using namespace std; char ch(int i){ return ((char)('a'+i)); } int hc(char a){ return a-'a'; } int v[26][28]; int v2[26][28]; int cc[26]; int main(){ cin.sync_with_stdio(0); cin.tie(0); string f; int k; cin >> f >> k; string s; cin >> s; int n = s.length(); for(int i = 0; i < 26; ++i){ v[i][0] = f[i]-'a'; v2[f[i]-'a'][0] = i; cc[f[i]-'a']++; } for(int i = 0; i < 27; ++i){ for(int j = 0; j < 26; ++j){ v[j][i+1] = v[v[j][i]][i]; v2[j][i+1] = v2[v2[j][i]][i]; } } vector<int> t(n); for(int i = 0; i < n; ++i) t[i] = hc(s[i]); i64 k2 = 0; for(i64 bi = 27; bi >= 0; --bi){ while(k2 + (1<<bi) <= k){ k2+=(1<<bi); for(int i = 0; i < n; ++i){ if(cc[t[i]] != 1){ cout << "impossible" << endl; return 0; } t[i] = v2[t[i]][bi]; } } } vector<int> t2 = t; k2 = 0; for(i64 bi = 27; bi >= 0; --bi){ while(k2 + (1<<bi) <= k){ k2+=(1<<bi); for(int i = 0; i < n; ++i){ t2[i] = v[t2[i]][bi]; } } } for(int i = 0; i < n; ++i){ if(t2[i] != hc(s[i])){ cout << "impossible" << endl; return 0; } } string ans(n, '@'); for(int i = 0; i < n; ++i) ans[i] = ch(t[i]); cout << ans << endl; return 0; }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
egkpmqujbxhiatorvznwcfynds 564... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 2
Verdict: ACCEPTED
input |
---|
pdabvolaobzbaaisrntdtwluwf 2 oooooooooooooooooooooooooooooo... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 3
Verdict: ACCEPTED
input |
---|
xtaoqlsjkezrcvinwfmbyhdgpu 872... |
correct output |
---|
mmm |
user output |
---|
mmm |
Test 4
Verdict: ACCEPTED
input |
---|
wlcpatbrudxhofijgskqgevymz 1 joojjojjjoojjjjoojjojoojojoojj... |
correct output |
---|
pmmppmpppmmppppmmppmpmmpmpmmpp... |
user output |
---|
pmmppmpppmmppppmmppmpmmpmpmmpp... |
Test 5
Verdict: ACCEPTED
input |
---|
tjyivkaulcjnehvtilatxjxmxd 300... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 6
Verdict: ACCEPTED
input |
---|
tonbvkcqilfjghszxpwmdureay 2 nnv |
correct output |
---|
ggx |
user output |
---|
ggx |
Test 7
Verdict: ACCEPTED
input |
---|
edmxaqolzisvnrfkcgwehbtjpu 179... |
correct output |
---|
oooooooooooooooooooooooooooooo... |
user output |
---|
oooooooooooooooooooooooooooooo... |
Test 8
Verdict: ACCEPTED
input |
---|
hrygatmxebcusinbdplunukuai 1 i |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 9
Verdict: ACCEPTED
input |
---|
nsuftdzbmkqepgihlyxrvwajoc 724... |
correct output |
---|
offfofofofofoffooofofooofffffo... |
user output |
---|
offfofofofofoffooofofooofffffo... |
Test 10
Verdict: ACCEPTED
input |
---|
kbybextsniougrdmqpwfahzlcv 2 stlooyhhdfzpspsospvhdpedouqsyr... |
correct output |
---|
vmfaayzzkgsnvnvavnwzknekaxqvyi... |
user output |
---|
vmfaayzzkgsnvnvavnwzknekaxqvyi... |
Test 11
Verdict: ACCEPTED
input |
---|
dugyojozcpjlwxepebzhfkqlzc 801... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 12
Verdict: ACCEPTED
input |
---|
kibphqeygnmsdvawzrfcuotxjl 2 ggggggggggggggggggggggggggg |
correct output |
---|
bbbbbbbbbbbbbbbbbbbbbbbbbbb |
user output |
---|
bbbbbbbbbbbbbbbbbbbbbbbbbbb |
Test 13
Verdict: ACCEPTED
input |
---|
pstlbyjnovmekdqzrhwxwgcfai 315... |
correct output |
---|
mmm |
user output |
---|
mmm |
Test 14
Verdict: ACCEPTED
input |
---|
uukjvcscfohyvqomdfdlysnuoe 2 eheeheheeheheeheeheeeehhhheehh... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 15
Verdict: ACCEPTED
input |
---|
pkwsxbvdgmjutiyfqrzhealnoc 822... |
correct output |
---|
hbkxkmhinhmwhwthbmhutgnkgoywho... |
user output |
---|
hbkxkmhinhmwhwthbmhutgnkgoywho... |
Test 16
Verdict: ACCEPTED
input |
---|
yqxvbohrlifmzdtwgejpcanuse 1 fl |
correct output |
---|
ki |
user output |
---|
ki |
Test 17
Verdict: ACCEPTED
input |
---|
gauouzffisuxjtuufqdappivxv 205... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 18
Verdict: ACCEPTED
input |
---|
ovqzprxiluehkndsmtyafbwgjc 2 oo |
correct output |
---|
tt |
user output |
---|
tt |
Test 19
Verdict: ACCEPTED
input |
---|
goqbyzivahrxnjwtdjluepsmkf 701... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 20
Verdict: ACCEPTED
input |
---|
vlovrwpvkfbotybcmcbixsbfly 2 jutqryuhbjjqvbpaeqoyduqneybsli... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 21
Verdict: ACCEPTED
input |
---|
eawzhgmusltxjypkirbcfndovq 262... |
correct output |
---|
a |
user output |
---|
a |
Test 22
Verdict: ACCEPTED
input |
---|
kqdpgnevpuyahrjclfzwsomxti 2 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk... |
correct output |
---|
llllllllllllllllllllllllllllll... |
user output |
---|
llllllllllllllllllllllllllllll... |
Test 23
Verdict: ACCEPTED
input |
---|
xwfgenquyctxdvmptcrdhvcxwq 778... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 24
Verdict: ACCEPTED
input |
---|
sucejvkmrhtobzxglapdnifqwy 1 qddqqqqqdqqqqddddqqdqqqdqdqddq... |
correct output |
---|
xttxxxxxtxxxxttttxxtxxxtxtxttx... |
user output |
---|
xttxxxxxtxxxxttttxxtxxxtxtxttx... |
Test 25
Verdict: ACCEPTED
input |
---|
pzukghijmcsalwnvoydxftbreu 413... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 26
Verdict: ACCEPTED
input |
---|
adlsmbfijwmdcwglhgnvaooybu 1 aio |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 27
Verdict: ACCEPTED
input |
---|
zqynskaxvcljewmfditourgpbh 756... |
correct output |
---|
oooooooooooooooooooooooooooooo... |
user output |
---|
oooooooooooooooooooooooooooooo... |
Test 28
Verdict: ACCEPTED
input |
---|
truzcldhkeqspoabgyvmjwnfik 1 zz |
correct output |
---|
dd |
user output |
---|
dd |
Test 29
Verdict: ACCEPTED
input |
---|
upfasuzkjuwhrnajgmitgysvil 467... |
correct output |
---|
impossible |
user output |
---|
impossible |
Test 30
Verdict: ACCEPTED
input |
---|
bemlodzqjgixuksatvyfcpnhrw 1 zdaaskooqkzzifuzspzayokihzxqhf... |
correct output |
---|
gfpponeehnggktmgovgpsenkxglhxt... |
user output |
---|
gfpponeehnggktmgovgpsenkxglhxt... |